forked from mirrors/gecko-dev
6feaa5a9c3
MozReview-Commit-ID: BYTDdLU2HoM --HG-- extra : rebase_source : 1e31ff288280d09ae226cdc698331263ba969205
50 lines
2 KiB
JavaScript
50 lines
2 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
"use strict";
|
|
|
|
var EXPORTED_SYMBOLS = ["Windows8WindowFrameColor"];
|
|
|
|
var Registry = ChromeUtils.import("resource://gre/modules/WindowsRegistry.jsm").WindowsRegistry;
|
|
|
|
var Windows8WindowFrameColor = {
|
|
_windowFrameColor: null,
|
|
|
|
get() {
|
|
if (this._windowFrameColor)
|
|
return this._windowFrameColor;
|
|
|
|
const HKCU = Ci.nsIWindowsRegKey.ROOT_KEY_CURRENT_USER;
|
|
const dwmKey = "Software\\Microsoft\\Windows\\DWM";
|
|
let customizationColor = Registry.readRegKey(HKCU, dwmKey,
|
|
"ColorizationColor");
|
|
if (customizationColor == undefined) {
|
|
// Seems to be the default color (hardcoded because of bug 1065998)
|
|
return [158, 158, 158];
|
|
}
|
|
|
|
// The color returned from the Registry is in decimal form.
|
|
let customizationColorHex = customizationColor.toString(16);
|
|
|
|
// Zero-pad the number just to make sure that it is 8 digits.
|
|
customizationColorHex = ("00000000" + customizationColorHex).substr(-8);
|
|
let customizationColorArray = customizationColorHex.match(/../g);
|
|
let [, fgR, fgG, fgB] = customizationColorArray.map(val => parseInt(val, 16));
|
|
let colorizationColorBalance = Registry.readRegKey(HKCU, dwmKey,
|
|
"ColorizationColorBalance");
|
|
if (colorizationColorBalance == undefined) {
|
|
colorizationColorBalance = 78;
|
|
}
|
|
|
|
// Window frame base color when Color Intensity is at 0, see bug 1004576.
|
|
let frameBaseColor = 217;
|
|
let alpha = colorizationColorBalance / 100;
|
|
|
|
// Alpha-blend the foreground color with the frame base color.
|
|
let r = Math.round(fgR * alpha + frameBaseColor * (1 - alpha));
|
|
let g = Math.round(fgG * alpha + frameBaseColor * (1 - alpha));
|
|
let b = Math.round(fgB * alpha + frameBaseColor * (1 - alpha));
|
|
return this._windowFrameColor = [r, g, b];
|
|
},
|
|
};
|